Amos has 12 action,15 comedy,9drama dvd. find the ratios of action dvds to the total number of dvds then explain it's meanings

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

How many solutions does the nonlinear system of equations graphed below have?

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points